CN203546618U - Splayed supporting frame for bridge cast-in-place concrete formwork - Google Patents

Splayed supporting frame for bridge cast-in-place concrete formwork Download PDF

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Publication number
CN203546618U
CN203546618U CN201320690565.8U CN201320690565U CN203546618U CN 203546618 U CN203546618 U CN 203546618U CN 201320690565 U CN201320690565 U CN 201320690565U CN 203546618 U CN203546618 U CN 203546618U
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CN
China
Prior art keywords
bridge
montant
distribution
along
battered leg
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Expired - Fee Related
Application number
CN201320690565.8U
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Chinese (zh)
Inventor
陈进明
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Second Engineering Co Ltd of 17th Bureau of China's Railroad Group
Second Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
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Second Engineering Co Ltd of 17th Bureau of China's Railroad Group
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Priority to CN201320690565.8U priority Critical patent/CN203546618U/en
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Publication of CN203546618U publication Critical patent/CN203546618U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a splayed supporting frame for a bridge cast-in-place concrete formwork. The supporting frame comprises a supporting structure and a truss structure, wherein the supporting structure comprises an end distribution beam, a middle distribution beam, vertical rods and inclined legs, wherein the vertical rods are symmetrically arranged on the inner sides of two pier columns in the direction along a bridge, the lower ends of all the vertical rods a pier column bearing platform are anchored, and the lower portions, the middle portions and the upper portions of all the vertical rods and pier bodies are anchored; the upper ends of the vertical rods on each side are connected through the end distribution beam; the lower ends of the vertical rods on the two sides are both connected with the lower end of one inclined leg, the upper ends of two inclined legs in the direction along the bridge are connected through one top support, and the middles of the inclined legs and the middles of the vertical rods are connected through longitudinal transverse supports so as to form a splayed stable structure for supporting; the middles of all the vertical rods in the cross-bridge direction and the middles of all the inclined legs are all connected through cross transverse supports; the upper ends of all the inclined legs in the cross-bridge direction are connected through the middle distribution beam; the end distribution beam and the middle distribution beam are provided with a plurality of Bailey trusses, and the Bailey trusses are parallel to one another in the direction along the bridge.

Description

A kind of bridge cast in place concrete form Eight characters bracing frame
Technical field
The utility model relates to cast-in-place concrete construction of bridge technology, particularly a kind of bracing or strutting arrangement of Cast-in-situ Beam template.
Background technology
The domestic formwork-support for Cast-in-situ Beam at present, general full framing method and the steel pipe pile Bailey truss system of adopting, these two kinds of structures all have drawback in various degree: full framing method need below gather bowl fastening type support or tube and couple scaffold, template system is set on it; This form is lower to foundation requirement, but steel pipe spacing is little, conventional spacing between 30~90cm,, cannot meet the current requirement in below, and support height is unsuitable excessive, be generally used in 15m height; Steel pipe pile Bailey truss system arranges template system on shellfish truss, below arranges steel pipe that diameter is larger as stress system, and single steel pipe is stressed all larger, has the requirement that can meet the current and height in below, but it is high that the method requires interim basis, a large amount of economic inputs of temporary needs.
Summary of the invention
The purpose of this utility model is to provide the improved bracing or strutting arrangement of a kind of cast-in-place concrete beam template, can meet below current unaffected, and without any need for interim basis, installs and dismantle simply, and cyclic utilization rate is high.
For reaching above object, the utility model takes following technical scheme to be achieved:
A kind of bridge cast in place concrete form Eight characters bracing frame, it is characterized in that, comprise braced structures and trussed construction, described braced structures comprises along two end distribution beam that be arranged in parallel along the bridge and two middle part distribution beam, along cross-bridges direction many montants in one line, the battered leg of respective numbers, described many montants in one line are arranged symmetrically in two pier stud inner sides along the bridge, each montant lower end and the anchoring of pier stud cushion cap, bottom, middle part and the top of each montant respectively with pier shaft anchoring; Every side montant upper end is connected by end distribution beam; Each montant lower end, both sides is all connected with the lower end of a battered leg, between two battered leg upper ends along the bridge, by one, shores connection, and battered leg middle part is along the bridge connected by longitudinal stull with montant middle part, forms Eight characters supporting & stablizing structure; Between between the each montant of cross-bridges direction middle part, in the middle part of each battered leg, all by horizontal stull, connect; The each battered leg of cross-bridges direction upper end is connected by middle part distribution beam; Described trussed construction comprises many Bailey truss that are vertically shelved in end distribution beam and middle part distribution beam, and Bailey truss is parallel to each other along the bridge.
In such scheme, described in cross-bridges direction, each montant, each battered leg, except middle part is connected to each other by horizontal stull, are also provided with bridging.Described montant lower end and battered leg lower end be connected the mode that adopts gusset plate pin joint.Described battered leg upper end along the bridge and being connected of shoring, the mode of employing gusset plate pin joint.Described in two pier studs inner sides along the bridge, every side montant all arranges and is no less than 2.Described Bailey truss is no less than 6.
Compare existing full framing method and the related support system of steel pipe pile Bailey truss method, the utility model, without taking lower side space, meets the location that has strict demand to current; Do not need interim basis, be suitable for any geologic structure section, be particularly suitable for, across river, cross a river, Muddy Bottoms location, can significantly reducing construction costs simultaneously yet.
Accompanying drawing explanation
Fig. 1 is vertical structure (along the bridge) schematic diagram of the utility model Eight characters bracing frame.
Fig. 2 is transversary (cross-bridges direction) schematic diagram of Fig. 1 Eight characters bracing frame.
Fig. 3 is the concrete structure figure of part in Fig. 1 or Fig. 2 Eight characters bracing frame.Wherein: a is montant; B is battered leg; C is for shoring.
In Fig. 1~Fig. 3: 1, montant; 2, battered leg; 3, shore; 4, middle part distribution beam; 4 ' end distribution beam; 5, Bailey truss; 6, longitudinally stull; 6 ' horizontal stull; 7, bridging; 8, pier stud; 9, cushion cap; 10, Cast-in-situ Beam; 11, template.Wherein: 1-1, flange; 1-2, gusset plate; 1-3, pin-and-hole; 2-1, gusset plate; 2-2, pin-and-hole; 2-3, gusset plate; 2-4, pin-and-hole; 2-5, bearing support; 3-1, gusset plate; 3-2, pin-and-hole.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of bridge cast in place concrete form Eight characters bracing frame, comprises montant 1, battered leg 2, shores 3, distribution beam 4, Bailey truss 5 etc., wherein, montant 1 is comprised of steel pipe, flange 1-1 and gusset plate 1-2 that (Fig. 3 a), establishes pin-and-hole 1-3 on gusset plate 1-2; Battered leg 2 is comprised of steel pipe, gusset plate 2-1,2-3, pin-and-hole 2-2,2-4, bearing support 2-5 that (Fig. 3 b); Shore 3 and by steel pipe, gusset plate 3-1, pin-and-hole 3-2, formed that (Fig. 3 c).Pin-and-hole 1-3 on montant 1 gusset plate 1-2 is connected by steel pin with the pin-and-hole 2-2 on battered leg 2 gusset plate 2-1; Pin-and-hole 2-4 on battered leg 2 gusset plate 2-3 is connected by steel pin with the pin-and-hole 3-2 shoring on 3 gusset plate 3-1.
As shown in Figure 3, montant 1 is seamless steel pipe, and blue 1-1 is managed at two ends, and gusset plate 1-2 is set in bottom, establishes pin-and-hole 1-3 on gusset plate.Battered leg 2 is seamless steel pipe, and gusset plate 2-1 is established in lower end, and gusset plate 2-3 and bearing support 2-5 are established in upper end, establish pin-and-hole 2-2,2-4 on gusset plate.Shore 3 for seamless steel pipe, gusset plate 3-1 is established at two ends, establishes pin-and-hole 3-2 on gusset plate.
With reference to figure 1, montant 1 is connected by longitudinal stull 6 with pier stud 8; Montant 1 is connected by longitudinal stull 6 with battered leg 2.Middle part distribution beam 4 is welded with the bearing support 2-5 on battered leg 2, makes 2 one-tenth Eight characters structures of battered leg.
With reference to figure 2, between montant 1 is horizontal, by horizontal stull 6 ', be connected with bridging 7.End distribution beam 4 ' is welded with the flange 1-1 on montant 1, and many Bailey truss 5 are vertically shelved in distribution beam.Stull is that channel-section steel assembly welding becomes " " shape structure, and is welded and fixed between montant, battered leg and built-in fitting; Bridging is angle steel, and is welded and fixed between montant, battered leg.Distribution beam is i iron group welding piece, and is welded and fixed between montant top flange, battered leg bearing support.
The installation procedure of Fig. 1 Eight characters bracing frame is as follows:
(1) montant is installed
With reference to figure 1~Fig. 3, by the flange 1-1 of montant bottom, montant 1 and the built-in fitting of cushion cap 9 to be fixed, built-in fitting and flange pass through bolt anchoring; Adjust after the vertical degree of montant, at suitable bridge, to (longitudinally), lower node plate 1-2 position, middle part and the top of montant 1 is connected with the built-in fitting of pier stud 8 with longitudinal stull 6 respectively; At direction across bridge, adopt four montants in one line, middle part is connected to each other by horizontal stull 6 ', and bridging 7 is installed; Montant 1 top and the 4 ' welding of end distribution beam, so far montant installs;
(2) battered leg and shore installation
With reference to figure 1~Fig. 3, along bridge to, by the gusset plate 1-2 of montant 1 bottom, is connected connection employing pin joint with the gusset plate 2-1 of battered leg 2 ends; Utilize wire rope to hold battered leg 2 upper ends, adjust battered leg angle; Gusset plate 2-3 by battered leg 2 tops is connected with the gusset plate 3-1 that shores 3, connects and adopts pin joint; Battered leg 2 middle parts are connected by longitudinal stull 6 with montant 1 middle part; Battered leg top bearing support 2-5 and middle part distribution beam 4 are welded, and at direction across bridge, the same montant of battered leg quantity, also connects by stull 6 ' each other, and bridging 7 is installed; So far battered leg 2 and shore 3 and install;
(3) trussed construction is installed
With reference to figure 2, utilize crane lifting by multiple (in figure being 10) Bailey truss 5 along bridge to being arranged in end distribution beam 4 ' and middle part distribution beam 4, by truss support frame, 5-1 connects into entirety, so far whole support frame structure installs.
(4) support frame structure is removed
After cast-in-place concrete construction, according to trussed construction, distribution beam 4,4 ', shore 3, the order of battered leg 2, montant 1 removes successively.

Claims (6)

1. a bridge cast in place concrete form Eight characters bracing frame, it is characterized in that, comprise braced structures and trussed construction, described braced structures comprises along two end distribution beam that be arranged in parallel along the bridge and two middle part distribution beam, along cross-bridges direction many montants in one line, the battered leg of respective numbers, described many montants in one line are arranged symmetrically in two pier stud inner sides along the bridge, each montant lower end and the anchoring of pier stud cushion cap, bottom, middle part and the top of each montant respectively with pier shaft anchoring; Every side montant upper end is connected by end distribution beam; Each montant lower end, both sides is all connected with the lower end of a battered leg, between two battered leg upper ends along the bridge, by one, shores connection, and battered leg middle part is along the bridge connected by longitudinal stull with montant middle part, forms Eight characters supporting & stablizing structure; Between between the each montant of cross-bridges direction middle part, in the middle part of each battered leg, all by horizontal stull, connect; The each battered leg of cross-bridges direction upper end is connected by middle part distribution beam; Described trussed construction comprises many Bailey truss that are vertically shelved in end distribution beam and middle part distribution beam, and Bailey truss is parallel to each other along the bridge.
2. bridge cast in place concrete form Eight characters bracing frame as claimed in claim 1, is characterized in that, described in cross-bridges direction, and each montant, each battered leg, except middle part is connected to each other by horizontal stull, are also provided with bridging.
3. bridge cast in place concrete form Eight characters bracing frame as claimed in claim 1, is characterized in that, described montant lower end and battered leg lower end be connected the mode that adopts gusset plate pin joint.
4. bridge cast in place concrete form Eight characters bracing frame as claimed in claim 1, is characterized in that, described battered leg upper end along the bridge and being connected of shoring, the mode of employing gusset plate pin joint.
5. bridge cast in place concrete form Eight characters bracing frame as claimed in claim 1, is characterized in that, described in two pier studs inner sides along the bridge, every side montant all arranges and is no less than 2.
6. bridge cast in place concrete form Eight characters bracing frame as claimed in claim 1, is characterized in that, described Bailey truss is no less than 6.
CN201320690565.8U 2013-11-01 2013-11-01 Splayed supporting frame for bridge cast-in-place concrete formwork Expired - Fee Related CN203546618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320690565.8U CN203546618U (en) 2013-11-01 2013-11-01 Splayed supporting frame for bridge cast-in-place concrete formwork

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320690565.8U CN203546618U (en) 2013-11-01 2013-11-01 Splayed supporting frame for bridge cast-in-place concrete formwork

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105625193A (en) * 2016-03-14 2016-06-01 中铁二十四局集团安徽工程有限公司 Whole-span cast-in-place beam inverted-triangle formwork supporting frame and construction method thereof
CN106087746A (en) * 2016-06-14 2016-11-09 江苏燕宁建设工程有限公司 A kind of cast-in-situ box girder falsework construction method and bridge
CN107761549A (en) * 2017-09-27 2018-03-06 中铁十局集团第三建设有限公司 A kind of battered leg pier stud construction triangular support bracket

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105625193A (en) * 2016-03-14 2016-06-01 中铁二十四局集团安徽工程有限公司 Whole-span cast-in-place beam inverted-triangle formwork supporting frame and construction method thereof
CN106087746A (en) * 2016-06-14 2016-11-09 江苏燕宁建设工程有限公司 A kind of cast-in-situ box girder falsework construction method and bridge
CN107761549A (en) * 2017-09-27 2018-03-06 中铁十局集团第三建设有限公司 A kind of battered leg pier stud construction triangular support bracket

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

Termination date: 20161101